Gell joins from Bank Sadler where she delivered events for the healthcare and automotive sectors on a national and international basis, with group sizes of up to 800 delegates.
Steane has joined W&O from Zibrant where she spent two years project managing a variety of events, including live events and client hospitality. Steane is a specialist in the healthcare sector and also has previous experience of events in IT and financial institutions.
Lisa Crudgington, account director, said: "We are thrilled to welcome Helen and Jeanine to the team. It is a very exciting time and these appointments demonstrate our continued commitment to employing the brightest, most talented and enthusiastic individuals."